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Precision Polymer Engineering Q70X Polyurethane Rubber

Category Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane, Elastomer, Unreinforced , Rubber or Thermoset Elastomer (TSE)
Manufacturer Precision Polymer Engineering Limited
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Precision Polymer Engineering Q70X Polyurethane Rubber.pdf
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Material Notes:
Peroxide cured, self-lubricating, Polyurethane Rubber, 65-75 °IRHD. Compounded with graphite or molyb-d. To meet ASTM line call-out M5BG714, B14, EO14, EO34. Polyester-based urethane. ASTM & ISO designation = AU.Applications: Excellent abrasion resistance and tensile strength, with fluid compatibility approaching that of NBR. Polyurethane seals provide outstanding performance in hydraulic systems, which are prone to abrasive contamination and high shock loads. Good resistance to weathering and ozone but poor against water and high temperature.
Mechanical Properties Metric English Comments
Hardness, Shore A 70
70
°IRHD; ASTM D1415
85
85
°IRHD, +15 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield 11.2 MPa
1620 psi
-20% change after 70 hours @ 100°C; ASTM D412
14.0 MPa
2030 psi
ASTM D412
Elongation at Break 150 %
150 %
-40% change after 70 hours @ 100°C; ASTM D412
250 %
250 %
ASTM D412
Compression Set 25 %
25 %
70 hours @ 100°C; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 100 °C
212 °F
Minimum Service Temperature, Air -35.0 °C
-31.0 °F
Non-brittle after 3 minutes
-30.0 °C
-22.0 °F
Flash Point >= 204 °C
>= 399 °F
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